CN2420860Y

CN2420860Y - Food vacuum frying machine

Info

Publication number: CN2420860Y
Application number: CN 00227558
Authority: CN
Inventors: 张庆玉; 穆玉芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-17
Filing date: 2000-03-17
Publication date: 2001-02-28
Anticipated expiration: 2010-03-17

Abstract

The utility model discloses a food vacuum frying machine which is equipment used for carrying out frying processing and dehydration drying in a vacuum environment for food. The food vacuum frying machine is mainly used for food industry, diets and snack industry. The food vacuum frying machine is mainly composed of a vacuum frying room, an oil heating room, a self control heating system, a vacuum obtaining system, an oil charge system, an oil discharge system, an oil and vapor separating system, an electric appliance control box, etc. The vacuum frying room and the oil and vapor separating system are installed in the oil heating room. The vacuum obtaining system and the oil discharge system are installed on the lower surface of the oil heating room. The utility model has compact structure, high safety and convenient operation. The utility model has the advantages of no excessive burn, low oil content, bulkiness, high speed of fried food, accurate control of the colors of the fried food, no oil fume, no environmental pollution, etc.

Description

The frying food in vacuum machine

The frying food in vacuum machine that the utility model relates to is a kind of food industry and diet and fast food of being used for, the ripe and low temperature quick dewatering drying equipment of novel quick fried system.

Each state of the world today all attaches great importance to the development of food industry, and in economically developed country, the gross output value of food industry all is higher than the general production value of agriculture, will solve for China and account for the whole mankind's 1/4 population food problem, and development food industry is even more important.At food processing process, frying technological process is a basic production technology, as first end production process of finely processed product such as bean curd, fish, meat, chicken, shrimp and multiclass can production process thereof, is exactly to handle through fried dehydration is dry; In the production process of each type fast food such as frying surface, saratoga chip, mainly the processing difficulties of Xie Jueing is exactly the ripe technology of fried dehydration system; Delicious and crisp foodstuff such as crisp of fruit and vegetable, shrimp cracker, corn bar, rice crust fried in oil, fried peanuts, and production process such as fried beans in, mainly the difficult point of Xie Jueing be exactly to all permit, fast, do not have burnt fried system of sticking with paste and do and make ripe technology.Frying technological process mainly adopts bright pot frying technological process at present, does not guarantee that not only product quality and nothing Jiao stick with paste phenomenon, and causes serious environmental to pollute, and wastes energy and grease.In the production process of saratoga chip and frying surface, the frying technological process of the employing fountain that has, this technology has shortcomings such as equipment complexity, investment are big, cost height.

Main purpose of the present utility model is, to food industry and diet and fast food, provide a kind of simple in structure, automatically degree of changing into height, can accurately control fried food color and luster, quick, efficient, bulk, do not have a burnt fried and cryogenic dehydrate equipment of sticking with paste of food, enlarge food deep processing ability, accelerate the culinary art industrialization process, promote development of food industry.

The operation principle of the utility model frying food in vacuum machine: according to food vacuum frying process, make food in vacuum environment, utilize deep fat to be heat medium exactly, food is dehydrated and progressively deepens the mechanism of the process of carbonization, make food obtain the vacuum frying environment by vacuum acquiring system, and realization reduces the vapourizing temperature of water, improve the vaporization rate of water, reach the temperature that reduces fry, accelerate the requirement of the fried speed of food.By oil temperature heating self-con-tained unit, realize accurately control heating-up temperature and fried time again, the carbonization Cheng Du of control food reaches accurate control food color and luster, prevents the burnt requirement of sticking with paste, guaranteeing food quality.Be implemented under the condition of vacuum environment by unloading system again, the deep fat medium is extracted, make food in the environment that does not have oil, recover normal pressure, immersion oil not when taking out food, reach the requirement of vacuum frying food low oil content, thus the utility model can reach low temperature, fast, do not have burntly stick with paste, the fry of low oil content and the purpose of low temperature dewatering drying.

The utility model frying food in vacuum machine comprises the vacuum frying chamber part of being made up of vacuum frying chamber body, chamber cap, petroleum pipeline, hold-down bolt, oil level indicator, vent valve, net formula verdant ladder, filter screen etc.; Comprise the grease heating part of forming by oily heating clamber, electric heater, temperature sensor, following oil pipe line etc.; Also comprise the vacuum acquiring system of forming by oil ring vacuum pump, fuel feed pump, control valve, exhaust pipe, vacuum meter, magnetic valve, gas exhaust piping etc.; Also comprise the unloading system that centrifugal oil delivery pump, inlet line, pipeline road, bypass oil pipe, magnetic valve etc. are formed; And comprise compositions such as fuel and vapor separator, condenser, body rack, electric appliance control box.

The purpose of this utility model is achieved in that oily heating clamber is installed in above the body rack, oil ring vacuum pump and centrifugal oil delivery pump are installed in the lower floor of body rack, vacuum frying chamber body is installed in oily heating clamber inside, and be connected with centrifugal oil delivery pump and oily heating clamber respectively by the petroleum pipeline of its underpart, electric heater and temperature sensor are installed in the lower curtate position of oily heating clamber, the exhaust pipe of oil ring vacuum pump is connected by the top of magnetic valve with the vacuum frying chamber, the outlet of the gas exhaust piping of oil ring vacuum pump is installed in the upper position of oily heating clamber, and fuel and vapor separator is installed at the lower position in its exit, condenser is installed in oily heating clamber and covers face, be placed in the net formula verdant ladder by the fry layering, utilize hold-down bolt that vacuum chamber body and chamber cap are compressed and obturage.Its operating process, start the switch of heating on the electric appliance control box, pass through temperature controller, the work of temperature sensor control electric heater, the temperature of grease is reached and keep within the desired temperature range, after this, start the vacuum switch on the electric appliance control box, magnetic valve on the exhaust pipe is opened, oil ring vacuum pump operation work is bled to the vacuum frying chamber, when the vacuum of vacuum meter demonstration reaches requirement, start the last oil circuit breaker on the electric appliance control box, make the unlatching of the magnetic valve on the oil pipe line under the oily heating clamber lower curtate, it is indoor that the interior deep fat of oily heating clamber this moment will be pressed into vacuum frying by atmospheric pressure, when oil level indicator show be pressed into the indoor oil level of vacuum frying and reach requirement the time, stop to go up oil circuit breaker, make down the closed electromagnetic valve on the oil pipe line, make food in the indoor vacuum frying processing procedure that enters into of vacuum frying, in this process, fry continues the heat of needs, deep fat by oily heating clamber transmits supply by vacuum frying chamber body wall, the steam that fry produced, extracted by oil ring vacuum pump by exhaust pipe, and the process emission by exhaust pipe arrives above the interior fuel and vapor separator of oily heating clamber, deep fat is separated with steam, stream of hot oil is got back in the oily heating clamber, recycle, during steam process condenser, major part condenses into water, and emit through drainpipe, remaining steam is discharged in the atmosphere by exhaust outlet, when reaching fried time of defined, by the timing control apparatus on the electric appliance control box, automatically start and unload oil circuit breaker, make the closed electromagnetic valve on the exhaust pipe, make centrifugal oil delivery pump start operation, and the magnetic valve on its inlet line and the pipeline road is opened, the deep fat of vacuum frying chamber pumps in the oily heating clamber by centrifugal oil delivery pump, stop to unload oil circuit breaker afterwards, centrifugal oil delivery pump is quit work, make the closed electromagnetic valve on inlet line and the pipeline road, open the vent valve on the vacuum chamber, make the vacuum frying chamber recover normal pressure, can open vacuum room cover and take out food, finish the overall process of vacuum frying food.

Below in conjunction with accompanying drawing to structure of the present utility model with dynamically be described below:

Accompanying drawing is a frying food in vacuum machine structure chart

Oil ring vacuum pump 8 is installed in body rack 11 lower floors as shown in drawings, oil ring vacuum pump 8 is connected with oily heating clamber 15 by oil feed line 9, control valve 10, its exhaust pipe 22 is connected with vacuum chamber body 17 by magnetic valve 23 vacuum meters 24, the outlet of its gas exhaust piping 16 is installed in the top position of oily heating clamber 15, and in the lower end of its outlet fuel and vapor separator 18 is installed; Oil heating clamber 15 be installed in body rack 11 above, electric heater 12 and temperature sensor 13 are installed in its indoor bottom, at the oily heating clamber face that covers condenser 20 is installed; Vacuum frying chamber body 17 is installed in the inside of oily heating clamber 15, and the petroleum pipeline 5 of its lower end stretches out the bottom of oily heating clamber 15, and is connected with the inlet line 2 of oily heating clamber 15 and centrifugal oil delivery pump 1 respectively by magnetic valve 6,3; Centrifugal oil delivery pump 1 is installed in the lower floor of body rack 11, and its pipeline road 31 is connected by the top position of magnetic valve 30 with oily heating clamber 15; Electric appliance control box 32 be installed in body rack 11 above, be connected with centrifugal oil delivery pump 1 motor, oil ring vacuum pump 8 motors, electric heater 12, temperature sensor 13,

magnetic valve

3,6,23,30,33 respectively by connection line.Its dynamic operation process, to be placed on by fried food layering in the net formula verdant ladder 25, and put it in the vacuum frying chamber body 17, after building chamber cap 26 and compressing sealing with hold-down bolt 27, at first with the indication of the humidostat above the electric appliance control box 32, levelling is within desired temperature range, starting heater switch simultaneously starts working heater 12, grease 14 in the oily heating clamber 15 is heated, and by humidostat and temperature-control circuit in temperature sensor 13 and the electric appliance control box 32, grease 14 is reached and keep desired temperature range, after this, start the vacuum switch above the electric appliance control box 32, make oil ring vacuum pump 8 start running, magnetic valve 23 is opened, by regulating the control valve 10 above the oil feed line 9, make and obtain needed working media in the hot grease 14 of oil ring vacuum pump 8 from oily heating clamber 15, normal operation work, vacuum frying chamber 17 is extracted gas, after vacuum meter 24 indications reach desired vacuum, start the last oil circuit breaker above the electric appliance control box 32, magnetic valve 6 is opened, following oil pipe line 7 is connected with pipeline road 5, hot grease 14 is pressed in the vacuum frying chamber 17 by atmospheric pressure like this, when the oil level of oil level indicator 29 demonstrations reaches the requirement height, stops to go up oil circuit breaker, magnetic valve 6 cuts out, and the food in the vacuum frying chamber 17 has entered the vacuum frying process.The steam that food produced in its process, extracted by oil ring vacuum pump 8 by exhaust pipe 22, be discharged into above the fuel and vapor separator 18 through gas exhaust piping 16, steam is separated with the work grease, grease flow back in the heating clamber 15 and recycles, when steam rose to condenser 20, major part was condensed into water and is emitted by drainpipe 19, and remaining steam enters atmosphere by exhaust outlet 21.Reach above the electric appliance control box 32 when the fried time of food, during the specified time requirement of timer, just control by circuit, automatically open and unload oil circuit breaker, magnetic valve 23 cuts out, magnetic valve 3 and 30 is opened, centrifugal oil delivery pump 1 is started, this operating mode makes the hot grease in the vacuum frying chamber 17, be pumped in the oily heating clamber 15, when the oil level that shows when oil level indicator 29 reaches down position and requires, stop the oil circuit breaker that unloads above the electric appliance control box 32, magnetic valve 3 and 30 cuts out, centrifugal oil delivery pump 1 is shut down, finish food vacuum frying work, after opening vent valve 28 and making vacuum frying chamber 17 recover normal pressures, loosening pressed bolt 27 is opened chamber cap 26 taking-up foods and is got final product.When finish a working day, start the oil drain cock above the electric appliance control box 32, magnetic valve 3,6,33 is opened, make centrifugal oil delivery pump 1 start operation, grease 14 in vacuum frying chamber 17 and the oily heating clamber 15 is all discharged through bypass oil pipe 34, can clear up vacuum frying chamber 17, oily heating clamber 15 and filter screen 4.

One of technical characteristics of the present utility model is that oil ring vacuum pump utilizes the deep fat in the oily heating clamber to be working media, no With the feedway that its working media is set again, make the oil ring vacuum pump system simplification, realize utilizing oil ring vacuum pump to vacuum frying The chamber extracts the requirement that steam obtains required vacuum, reaches the purpose of vacuum frying food, and can to by the steam that extracted at quilt In the process that extracts, continue heating and keep vapor state, prevent from condensing into water, improve ability that steam separates with deep fat and Prevent that grease is emulsified.

One of another technical characteristics of the present utility model is, by the petroleum pipeline of bottom, vacuum frying chamber and oily heating clamber bottom Lower oil pipe and magnetic valve have formed oil feeding system, by oil ring vacuum pump the vacuum frying chamber are extracted gas, control after reaching vacuum Magnetic valve processed is opened, and the deep fat of oily heating clamber is pressed into the vacuum frying chamber by atmospheric pressure, finishes the work of oiling, and its food is entered The vacuum frying process. Because the indoor food of vacuum frying before fried, has realized extracting the application of vacuum of gas, just advances one Step guarantees quality and the speed of food vacuum frying.

Again one of technical characteristics of the present utility model is, the bottom position in the vacuum frying chamber has installed centrifugal oil delivery pump, By solenoid control, can under vacuum state, pump in the oily heating clamber by the deep fat that vacuum frying is indoor, make the vacuum frying chamber In food under the environment that does not have oil, recover normal pressure, prevent that deep fat is immersed in the food, reach vacuum frying food low oil content Requirement. And can arrange by time control, reach the Precise Control of Oil requirement of fried time.

The utility model also has one of technical characteristics to be, below the oil ring vacuum pump blast pipe in oily heating clamber, Installed fuel and vapor separator, fuel and vapor separator is to be made of the double layer of metal bell jar, deep fat and steam that blast pipe is discharged Blending agent all permitted and spread apart, make steam be easy to separate, finish the mask work of deep fat and steam, divide Get back in the oily heating clamber from the stream of hot oil of coming out and to recycle.

One of another technical characteristics of the present utility model is, covers the face position at oily heating clamber, and condenser has been installed, its The bottom is connected with oily heating clamber, and its upper air vent is connected with atmosphere, and the steam that has formed in the oily heating clamber upwards enters Unique passage of atmosphere, condenser are to be made of multilayer cone-shaped metal cover, and the steam in the oily heating clamber passes through solidifying in the rising of being heated Will repeatedly touch the cone-shaped metal cover during vapour device, and condense into water in its metal surface, discharge residual water by drainpipe Steam is discharged from the exhaust outlet of condenser top.

Of the present utility model also have one of major technique feature to be, the vacuum frying chamber is installed in oily heating clamber inside, make the indoor food of its vacuum frying, required heat in frying course, can from the deep fat in the oily heating clamber, obtain supply, make its food in the temperature range that requires, finish frying course, guarantee the quality of fry.

One of major technique feature more of the present utility model is, the sealing oily heating clamber in bottom device electric heater and temperature sensor, by temperature controller on the electric appliance control box and control circuit, realize the accurately temperature of control deep fat, reach the fried color and luster of accurate control food, and can prevent that grease from producing overtemperature, reduce the oxidative phenomena of grease, reduce thermal loss and prevent that grease from spilling, reduce the grease waste.

One of another major technique feature of the present utility model is, the food layering is placed in the net formula verdant ladder, reaches food in the indoor frying course of vacuum frying, can both all permit to obtain fried processing, and can prevent that food is discharged to outside the verdant ladder, has kept the cleaning of deep fat in frying course.

Claims

1, a kind of frying food in vacuum machine comprises the vacuum frying chamber part of being made up of vacuum frying chamber body, chamber cap, hold-down bolt, oil level indicator, vent valve, petroleum pipeline, net formula verdant ladder, filter screen etc.; Comprise the grease heating part of forming by oily heating clamber, electric heater, temperature sensor, following oil pipe line and magnetic valve etc.; Also comprise the vacuum acquiring system of forming by oil ring vacuum pump, oil feed line, control valve, exhaust pipe, vacuum meter, magnetic valve, gas exhaust piping etc.; Also comprise the unloading system of forming by centrifugal oil delivery pump, inlet line, pipeline road, bypass line, magnetic valve etc.; And comprise fuel and vapor separator, condenser, electric appliance control box, compositions such as body rack, it is characterized in that oily heating clamber is installed in above the body rack, oil ring vacuum pump and centrifugal oil delivery pump are installed in body rack lower floor, the vacuum frying chamber is installed in oily heating clamber inside, electric heater, temperature sensor is installed in the bottom of oily heating clamber, oil ring vacuum pump is by its exhaust pipe, magnetic valve is connected with the top of vacuum frying chamber, the outlet of the gas exhaust piping of oil ring vacuum pump is installed in the upper position of oily heating clamber, centrifugal oil delivery pump passes through inlet line, magnetic valve is connected with the bottom of vacuum frying chamber, and oily heating clamber is by the following oil pipe line of its underpart, magnetic valve is connected with bottom, vacuum frying chamber.

2, frying food in vacuum machine according to claim 1 is characterized in that fuel and vapor separator, is installed in the lower position of the oil ring vacuum pump gas exhaust piping outlet in the oily heating clamber, and fuel and vapor separator is to be made of the double layer of metal bell jar.

3, frying food in vacuum machine according to claim 1, it is characterized in that condenser is installed in oily heating clamber and covers face, its underpart is connected with oily heating clamber, its upper air vent is connected with atmosphere, formed unique passage that the interior steam of oily heating clamber upwards enters atmosphere, condenser inside is to be made of multilayer cone-shaped metal cover.